122100002101111 has 8 divisors (see below), whose sum is σ = 122769712849248. Its totient is φ = 121431959376000.

The previous prime is 122100002101093. The next prime is 122100002101151. The reversal of 122100002101111 is 111101200001221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122100002101111 - 2⁵ = 122100002101079 is a prime.

It is a super-2 number, since 2×122100002101111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122100002101091 and 122100002101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100002101151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416858955 + ... + 417151756.

It is an arithmetic number, because the mean of its divisors is an integer number (15346214106156).

Almost surely, 2^{122100002101111} is an apocalyptic number.

122100002101111 is a deficient number, since it is larger than the sum of its proper divisors (669710748137).

122100002101111 is an equidigital number, since it uses as much as digits as its factorization.

122100002101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834011513.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122100002101111 its reverse (111101200001221), we get a palindrome (233201202102332).

The spelling of 122100002101111 in words is "one hundred twenty-two trillion, one hundred billion, two million, one hundred one thousand, one hundred eleven".